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Finding the Fourth Proportional to 1,373.62, 2,060.44 and 347.62

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Solution

The fourth proportional to 1,373.62, 2,060.44 and 347.62 is: 521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.62 : 2,060.44 = 347.62 : x
  2. Step 2: Convert to fraction form
    1,373.62/2,060.44 = 347.62/x
  3. Step 3: Cross multiply
    1,373.62x = 2,060.44 × 347.62
  4. Step 4: Simplify right side
    1,373.62x = 716,250.15
  5. Step 5: Solve for x
    x = 716,250.15/1,373.62
  6. Step 6: Final answer
    x = 521.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.